<template>

	<div class="mui-numbox" data-numbox-min='1' style="height:25px;">
					<button class="mui-btn mui-btn-numbox-minus" type="button">-</button>
					<input id="test" class="mui-input-numbox" type="number" :value="initcount" @change="countChanged" ref="numbox" readonly />
					<button class="mui-btn mui-btn-numbox-plus" type="button">+</button>
	</div>
	<!-- 分析：子组件什么时候把数据传递给父组件 -->
</template>
 <script type="text/javascript">
 	import mui from "../../lib/mui/js/mui.min.js"
 	export default{
 		mounted(){
 			//初始化数字选择框组件
 			mui(".mui-numbox").numbox()
 		},
 		props:["initcount","goodsid"],
 		methods:{
 			countChanged(){
 				//数量改变了
 				//每当数量值改变时，立即把最新的数量同步到购物车的store中，覆盖之前的数量值
 				// console.log(this.$refs.numbox.value)

 				this.$store.commit('updateGoodsInfo',{id:this.goodsid,count:this.$refs.numbox.value})
 			}
 		}
 	
 	}
 </script>

 <style lang="scss" scoped>
 	
 </style>